\documentclass[12pt]{article}

\title{Hello}

\author{me}

\begin{document}
$$
    \frac{219}{\pi}
    \int_{0}^{\sqrt[]{12}}2\ \sqrt[]{12-x^2}\ dx
    +52e^{\int_{1}^{10}\frac{5}{x}dx}
$$
\end{document}